blob: 82e64f28aad05caf93e98e177c6d52a1338e29b0 [file] [log] [blame]
// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import '../widgets/gestures.dart';
void main() {
testWidgets('Tap on center change color', (WidgetTester tester) async {
await tester.pumpWidget(const Directionality(
textDirection: TextDirection.ltr,
child: GestureDemo(),
final Finder finder = find.byType(GestureDemo);
MaterialColor getSwatch() => tester.state<GestureDemoState>(finder).swatch;
Future<void> tap() async {
final Offset topLeft = tester.getTopLeft(finder);
await tester.tapAt(tester.getSize(finder).center(topLeft));
await tester.pump(const Duration(seconds: 1));
// initial swatch
expect(getSwatch(), GestureDemoState.kSwatches[0]);
// every tap change swatch
for (int i = 1; i < GestureDemoState.kSwatches.length; i++) {
await tap();
expect(getSwatch(), GestureDemoState.kSwatches[i]);
// tap on last swatch display first swatch
await tap();
expect(getSwatch(), GestureDemoState.kSwatches[0]);